Publications by authors named "Ritsu Kusama"

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Association between serum concentrations of perfluoroalkyl substances and global DNA methylation levels in peripheral blood leukocytes of Japanese women: A cross-sectional study.
Hiroaki Itoh, Kouji H Harada, Yoshio Kasuga, Shiro Yokoyama, Hiroshi Onuma, Ritsu Kusama

Sci Total Environ· February 2023

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Serum perfluoroalkyl substances and breast cancer risk in Japanese women: A case-control study.
Hiroaki Itoh, Kouji H Harada, Yoshio Kasuga, Shiro Yokoyama, Hiroshi Onuma, Ritsu Kusama

Sci Total Environ· December 2021

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Correlation between global methylation level of peripheral blood leukocytes and serum C reactive protein level modified by MTHFR polymorphism: a cross-sectional study.
Masanori Nojima, Motoki Iwasaki, Yoshio Kasuga, Shiro Yokoyama, Hiroshi Onuma, Ritsu Kusama

BMC Cancer· February 2018

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Green tea consumption and breast cancer risk in Japanese women: a case-control study.
Motoki Iwasaki, Junki Mizusawa, Yoshio Kasuga, Shiro Yokoyama, Hiroshi Onuma, Ritsu Kusama

Nutr Cancer· September 2014

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Association between serum organochlorines and global methylation level of leukocyte DNA among Japanese women: a cross-sectional study.
Hiroaki Itoh, Motoki Iwasaki, Yoshio Kasuga, Shiro Yokoyama, Hiroshi Onuma, Ritsu Kusama

Sci Total Environ· August 2014

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Dietary cadmium intake and breast cancer risk in Japanese women: a case-control study.
Hiroaki Itoh, Motoki Iwasaki, Norie Sawada, Ribeka Takachi, Yoshio Kasuga, Ritsu Kusama

Int J Hyg Environ Health· January 2014

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Association of dietary and genetic factors related to one-carbon metabolism with global methylation level of leukocyte DNA.
Hiroe Ono, Motoki Iwasaki, Aya Kuchiba, Yoshio Kasuga, Shiro Yokoyama, Ritsu Kusama

Cancer Sci· December 2012

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Association of postmenopausal endogenous sex hormones with global methylation level of leukocyte DNA among Japanese women.
Motoki Iwasaki, Hiroe Ono, Aya Kuchiba, Yoshio Kasuga, Shiro Yokoyama, Ritsu Kusama

BMC Cancer· July 2012

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Fragment c gamma receptor gene polymorphisms and breast cancer risk in case-control studies in Japanese, Japanese Brazilians, and non-Japanese Brazilians.
Motoki Iwasaki, Naoki Shimada, Yoshio Kasuga, Shiro Yokoyama, Hiroshi Onuma, Ritsu Kusama

Breast Cancer Res Treat· April 2011

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Comparison of postmenopausal endogenous sex hormones among Japanese, Japanese Brazilians, and non-Japanese Brazilians.
Motoki Iwasaki, Yoshio Kasuga, Shiro Yokoyama, Hiroshi Onuma, Hideki Nishimura, Ritsu Kusama

BMC Med· February 2011

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Leisure-time physical activity and breast cancer risk by hormone receptor status: effective life periods and exercise intensity.
Reiko Suzuki, Motoki Iwasaki, Yoshio Kasuga, Shiro Yokoyama, Hiroshi Onuma, Ritsu Kusama

Cancer Causes Control· November 2010

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Dietary isoflavone intake, polymorphisms in the CYP17, CYP19, 17beta-HSD1, and SHBG genes, and risk of breast cancer in case-control studies in Japanese, Japanese Brazilians, and non-Japanese Brazilians.
Motoki Iwasaki, Gerson Shigeaki Hamada, Ines Nobuko Nishimoto, Mario Mourão Netto, Juvenal Motola, Ritsu Kusama

Nutr Cancer· August 2010

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Dietary intake of folate, vitamin B2, vitamin B6, vitamin B12, genetic polymorphism of related enzymes, and risk of breast cancer: a case-control study in Japan.
Enbo Ma, Motoki Iwasaki, Minatsu Kobayashi, Yoshio Kasuga, Shiro Yokoyama, Ritsu Kusama

Nutr Cancer· November 2009

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Dietary isoflavone intake and breast cancer risk in case-control studies in Japanese, Japanese Brazilians, and non-Japanese Brazilians.
Motoki Iwasaki, Gerson Shigeaki Hamada, Ines Nobuko Nishimoto, Mario Mourão Netto, Juvenal Motola, Ritsu Kusama

Breast Cancer Res Treat· July 2009

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Serum organochlorines and breast cancer risk in Japanese women: a case-control study.
Hiroaki Itoh, Motoki Iwasaki, Tomoyuki Hanaoka, Yoshio Kasuga, Shiro Yokoyama, Ritsu Kusama

Cancer Causes Control· July 2009

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Isoflavone, polymorphisms in estrogen receptor genes and breast cancer risk in case-control studies in Japanese, Japanese Brazilians and non-Japanese Brazilians.
Motoki Iwasaki, Gerson Shigeaki Hamada, Inês Nobuko Nishimoto, Mario Mourão Netto, Juvenal Motola, Ritsu Kusama

Cancer Sci· May 2009

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Genetic polymorphisms in estrogen metabolism and breast cancer risk in case-control studies in Japanese, Japanese Brazilians and non-Japanese Brazilians.
Naoki Shimada, Motoki Iwasaki, Yoshio Kasuga, Shiro Yokoyama, Hiroshi Onuma, Ritsu Kusama

J Hum Genet· April 2009

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MRI of the breast: comparison of MRI signals and histological characteristics of the same slices.
Ritsu Kusama, Fumiyoshi Takayama, Shin-ichi Tsuchiya

Med Mol Morphol· December 2005

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[Clinicopathological characteristics of atypical cystic duct (ACD) of the breast: assessment of ACD as a precancerous lesion].
Li Fu, Xiao-Ying Fu, Ritsu Kusama, Ikuo Matsuyama, Tong-Hua Liu

Zhonghua Bing Li Xue Za Zhi· June 2004

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Stromal sarcoma of the breast with leiomyosarcomatous pattern.
Ritsu Kusama, Minoru Fujimori, Yoshihisa Hama, Kiyoshi Shingu, Ken-ichi Ito

Pathol Int· August 2002

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